Inventor

PHELPS ROGER

AU3 patents

⚠️ This page may combine multiple inventors who share the name “PHELPS ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHA FUFANG

1 patent

US8287743B2Oct 16, 2012

Membrane cleaning with pulsed airlift pump

ZHA FUFANG16 citations87

EVOQUA WATER TECH LLC

1 patent

USD785197SApr 25, 2017

Gas sparging device

EVOQUA WATER TECH LLC2 citations67

PHELPS ROGER

1 patent

US9815027B2Nov 14, 2017

Gas scouring apparatus for immersed membranes

PHELPS ROGER2 citations61